CorePlus COREPLUS HOLE SAW ARBOR & STARTER BIT 32-114MMThe CorePlus Hole Saw Arbor & Starter bit 32 114mm features a groundbreaking, patented retractable starter bit. With a specially designed tungsten carbide tip that gives long life, penetrates hard materials and eliminates slippage. Provides accurate centring and removes the need for a traditional pilot bit. No pilot hole drilling is required. Promotes easier core removal for fast, multiple hole cutting.